From owner-freebsd-hackers Wed Nov 10 7:53:26 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from almso1.proxy.att.com (almso1.att.com [192.128.167.69]) by hub.freebsd.org (Postfix) with ESMTP id C82C214BF1 for ; Wed, 10 Nov 1999 07:53:21 -0800 (PST) (envelope-from myevmenkin@att.com) Received: from njb140r1.ems.att.com ([135.65.202.58]) by almso1.proxy.att.com (AT&T IPNS/MSO-2.2) with ESMTP id KAA15522; Wed, 10 Nov 1999 10:53:19 -0500 (EST) Received: from njb140bh2.ems.att.com by njb140r1.ems.att.com (8.8.8+Sun/ATTEMS-1.4.1 sol2) id KAA09517; Wed, 10 Nov 1999 10:52:50 -0500 (EST) Received: by njb140bh2.ems.att.com with Internet Mail Service (5.5.2448.0) id ; Wed, 10 Nov 1999 10:53:19 -0500 Message-ID: From: "Yevmenkin, Maksim N, CSCIO" To: "'Luigi Rizzo'" Cc: "'freebsd-hackers@FreeBSD.org'" Subject: RE: Smart user-space Ethernet bridge Date: Wed, 10 Nov 1999 10:53:06 -0500 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2448.0) Content-Type: text/plain; charset="iso-8859-1" Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG i agree, but ... we have user space ppp, with all kind of useful things like filter etc. it is slower than kernel ppp, but everybody keep using it. so may be we can build a kind of "smart" bridge. it will touch only specific interfaces, collect information about route to specific MAC's etc. thanks, emax > > I've released Ethernet TAP driver v0.2 for FreeBSD > ... > > Folks, what do you think about smart user-space Ethernet bridge? > > Anyone needs it? > > i think performance is a big problem here (same as in the case of > user-space natd, but worse because a bridge touches all packets). > You have too many data copies. > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message